Finding the Fourth Proportional to 6,272.92, 8,656.86 and 3,478.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,272.92 : 8,656.86 = 3,478.42 : x
2. Step 2: Convert to fraction form
   6,272.92/8,656.86 = 3,478.42/x
3. Step 3: Cross multiply
   6,272.92x = 8,656.86 × 3,478.42
4. Step 4: Simplify right side
   6,272.92x = 30,112,194.96
5. Step 5: Solve for x
   x = 30,112,194.96/6,272.92
6. Step 6: Final answer
   x = 4,800.35